时差N小时:白金为何是白色的? What Makes White Gold White?
日期:2014-03-05 15:40

(单词翻译:单击)

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Many people associate the metal gold with the color gold.
很多人都认为金子就应该是金色#0aInLqb6]
But,some gold jewelry is not golden at all: it's white.
但一些黄金首饰的颜色并不是金色,而是白色H^&1PIkP1-!FI6a[)NCO
Gold is one of the heaviest and softest metals.
黄金是最重最软的金属之一EI=SI+)|[2c!AtYe#S
Pure gold, called 24-carat gold, is so soft that it canbe easily dented.
纯金,也就是24k金质地非常软,很容易产生凹陷wnf&4Y,.|]DyJT9R

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In the movies, old-time prospectors bite on yellow nuggets to see if they're realgold because 24-carat gold will show a bite mark.
在电影中,以前的勘探者通常会咬一咬黄金来看看是否是真金,这是因为你在24k金上会发现咬痕Fb@H~&GFIX4U5
In the real world, jewelers don't want to usemetal that can be dented so easily.
然而,在现实世界中,珠宝商并不希望使用那种易产生凹陷的金属y1A#YpJ[u]R1
So, most jewelry is actually an alloy of gold with harder metals.
因此,大多数金属实际上是黄金与其他硬金属铸成的合金MdM4z~X-J[4qkYu&Qd@
Since pure gold is called 24-carat gold, an alloy of half gold and half other metals is called 12 caratgold, because, well,12 is half of 24.
由于纯金被叫做24k金,那么由黄金和其他金属各半铸成的合金就叫做12k金,因为12是24的一半nllC)j,]pk
If most gold jewelry is an alloy, why is some white and some yellow?
如果大多数黄金首饰是合金的话,为什么有的是白色有的是黄色呢?
The final appearance dependson the type of alloy metal used.
珠宝最终的颜色还要取决于所使用合金金属的类型[U@~e1AI-vEh
Alloys made with white metals like silver, palladium and nickelcreate white-colored gold.
用白色金属,如银、钯和镍制成的合金就是白色的黄金Wcd*f|-X[b
Adding some copper to the alloy will restore the yellow color, but toomuch copper can turn the gold reddish.
在合金中融入铜可以恢复成黄色,但是如果加入过多铜就会使黄金变红3_GnX.LL;pxjxkf(h
The color of gold jewelry doesn't reveal how much gold is in it — a piece of white gold may havethe same number of carats as a piece of yellow gold.
黄金首饰的颜色并不能说明含金量&&G!BrI8qo。一块白金的含金量可能与一块黄金的含金量相同J1FkieZn)8aHJ=IuGht
But, it has a different alloy metal, and so ithas a different color.
但由于黄金里掺有不同的合金金属,因此黄金可以呈现出不同的颜色8fn@A&Jg%gtqioRXq1go
Unlike white gold, fool's gold has no gold in it at all.
与白金不同的是,愚人金不含任何黄金XiXgrc.phc
It's a mineral called iron pyrite.
它其实是一种叫做黄铁矿的物质+[)i[4](zHG
Black gold isn'tgold either, it's oil.
黑金也不是黄金,而是石油11v#q&x~@,N
Which is also valuable, but doesn't look as good on your fiancée's finger.
黑金同样很值钱,但是戴在你未婚妻手指上可不那么好看THvApBWMEk#Dzp%

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重点单词
  • jewelryn. 珠宝,珠宝类
  • associaten. 同伴,伙伴,合伙人 n. 准学士学位获得者 vt.
  • revealvt. 显示,透露 n. (外墙与门或窗之间的)窗侧,门
  • alloyn. 合金 vt. 使 ... 成合金,搀以劣质,减低成
  • restorevt. 恢复,修复,使复原
  • appearancen. 外表,外貌,出现,出场,露面
  • valuableadj. 贵重的,有价值的 n. (pl.)贵重物品
  • mineraladj. 矿物的 n. 矿物,矿石